US Patent Issued to Jiangxi Dentalbright Technology on July 8 for "Gum-protecting and teeth-whitening strip and preparation method thereof" (Chinese Inventor)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,120, issued on July 8, was assigned to Jiangxi Dentalbright Technology Co. Ltd. (Jiujiang, China).

"Gum-protecting and teeth-whitening strip and preparation method thereof" was invented by Junyuan Qin (Jiangxi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A teeth-whitening strip includes a soft film layer, a backing layer, and a gel layer positioned therebetween. The gel layer includes the following components by weight: 0.50-30.0 parts of an acrylate copolymer gelling agent for excellent marginal sealing effect, 10.0-50.0 parts of deionized water, 0.10-15.0 parts of a whitening agent, 0.010-2.0 parts of a pH regulator, 0.010-0.30 parts of a ...